System/machines/oracles/automation.nix

{ config, lib, pkgs, inputs, ... }:
let
  repo-updater = pkgs.writeShellScriptBin "repo-updater"
    (builtins.readFile ../../scripts/gitea/update-repo.sh);
  environment = {
    XDG_RUNTIME_DIR = "/tmp";
    HOME = "/home/nathan";
    NIX_PATH =
      "nixpkgs=/nix/var/nix/profiles/per-user/root/channels/nixos:nixos-config=/etc/nixos/configuration.nix:/nix/var/nix/profiles/per-user/root/channels";
    XDG_CONFIG_DIRS =
      "/home/nathan/.nix-profile/etc/xdg:/etc/profiles/per-user/nathan/etc/xdg:/nix/var/nix/profiles/default/etc/xdg:/run/current-system/sw/etc/xdg";
    XDG_CONFIG_HOME = "/home/nathan/.config";
  };
  path = with pkgs; [
    git
    inputs.nixpkgs-unstable.legacyPackages.${pkgs.system}.nurl
    jq
    curl
    openssh
    bash
    nix
    nix-prefetch
  ];
in {
  # Setup hosts for gitea automation
  networking.hosts = { "100.99.69.14" = [ "git.stranger.systems" ]; };

  # Automate updating the system flake
  systemd.services."system-flake-update" = {
    inherit environment;
    inherit path;
    script = ''
      env
      ${repo-updater}/bin/repo-updater gitea@git.stranger.systems:nix/System.git trunk
    '';
    serviceConfig = {
      Type = "oneshot";
      User = "nathan";
      Group = "users";
    };
  };
  systemd.timers."system-flake-update" = {
    wantedBy = [ "timers.target" ];
    partOf = [ "system-flake-update.service" ];
    timerConfig = {
      OnCalendar = "Mon, 4:00";
      Unit = "system-flake-update.service";
    };
  };

  # Automate updating rust utility flake
  systemd.services."rust-util-update" = {
    inherit environment;
    inherit path;
    script = ''
      env
      ${repo-updater}/bin/repo-updater gitea@git.stranger.systems:nix/Rust.git trunk
    '';
    serviceConfig = {
      Type = "oneshot";
      User = "nathan";
      Group = "users";
    };
  };
  systemd.timers."rust-util-update" = {
    wantedBy = [ "timers.target" ];
    partOf = [ "rust-util-update.service" ];
    timerConfig = {
      OnCalendar = "Mon, 8:00";
      Unit = "rust-util-update.service";
    };
  };
}